passwella.
Menu

WAEC Data Processing 2025 Question 35

Question 35

Database Management

The SQL constraint used to ensure the accuracy and consistency of data in a relational database is called

  1. A.default constraint.
  2. B.index constraint.
  3. C.integrity constraint.
  4. D.unique constraint.
Show the answer and explanation

Answer: C (integrity constraint.)

Explanation

Integrity constraints keep data accurate and consistent.